com.lowagie.text.pdf

Class BarcodeCodabar

public class BarcodeCodabar extends Barcode

Implements the code codabar. The default parameters are:
x = 0.8f;
n = 2;
font = BaseFont.createFont("Helvetica", "winansi", false);
size = 8;
baseline = size;
barHeight = size * 3;
textAlignment = Element.ALIGN_CENTER;
generateChecksum = false;
checksumText = false;
startStopText = false;
 

Author: Paulo Soares (psoares@consiste.pt)

Field Summary
static byte[][]BARS
The bars to generate the code.
static StringCHARS
The index chars to BARS.
static intSTART_STOP_IDX
Constructor Summary
BarcodeCodabar()
Creates a new BarcodeCodabar.
Method Summary
static StringcalculateChecksum(String code)
ImagecreateAwtImage(Color foreground, Color background)
Creates a java.awt.Image.
RectanglegetBarcodeSize()
Gets the maximum area that the barcode and the text, if any, will occupy.
static byte[]getBarsCodabar(String text)
Creates the bars.
RectangleplaceBarcode(PdfContentByte cb, Color barColor, Color textColor)
Places the barcode in a PdfContentByte.

Field Detail

BARS

private static final byte[][] BARS
The bars to generate the code.

CHARS

private static final String CHARS
The index chars to BARS.

START_STOP_IDX

private static final int START_STOP_IDX

Constructor Detail

BarcodeCodabar

public BarcodeCodabar()
Creates a new BarcodeCodabar.

Method Detail

calculateChecksum

public static String calculateChecksum(String code)

createAwtImage

public Image createAwtImage(Color foreground, Color background)
Creates a java.awt.Image. This image only contains the bars without any text.

Parameters: foreground the color of the bars background the color of the background

Returns: the image

getBarcodeSize

public Rectangle getBarcodeSize()
Gets the maximum area that the barcode and the text, if any, will occupy. The lower left corner is always (0, 0).

Returns: the size the barcode occupies.

getBarsCodabar

public static byte[] getBarsCodabar(String text)
Creates the bars.

Parameters: text the text to create the bars

Returns: the bars

placeBarcode

public Rectangle placeBarcode(PdfContentByte cb, Color barColor, Color textColor)
Places the barcode in a PdfContentByte. The barcode is always placed at coordinates (0, 0). Use the translation matrix to move it elsewhere.

The bars and text are written in the following colors:

barColor

textColor

Result

null

null

bars and text painted with current fill color

barColor

null

bars and text painted with barColor

null

textColor

bars painted with current color
text painted with textColor

barColor

textColor

bars painted with barColor
text painted with textColor

Parameters: cb the PdfContentByte where the barcode will be placed barColor the color of the bars. It can be null textColor the color of the text. It can be null

Returns: the dimensions the barcode occupies